Volkswagen Fox 2004 Workshop Manual page 52

Fox 2004 ➤
3 - Cyl. diesel engine - Edition 02.2009
1.2.2 Installation
Note
Always replace head screws.
♦
In cases of repair, carefully remove gasket remains from cyl‐
♦
inder head and engine block. Ensure that no long grooves or
scratches are created. When using sand paper, do not use
less than 100 grade.
Carefully remove emery and abrasive remains.
♦
Only remove new cylinder head gasket from packaging prior
♦
to installation.
Handle gasket extremely carefully. Damage to the silicone
♦
layer or the indented area will cause leakage.
– Turn the crankcase to the TDC marking before installing the
cylinder head.
– Turn crankshaft in the opposite direction of engine rotation
until all the pistons are approximately equally placed below
TDC.
– Place head gasket.
– Fit cylinder head and hand tighten all its bolts.
– Tighten the cylinder head in four stages, as follows:
– 1. Previous tightening with torque meter:
1st stage (torque)
2nd stage (torque)
– 2. Tighten with normal spanner:
3rd stage (angular torque)
4th stage (angular torque)
Note
No retightening of the cylinder head is required after repairs.
– After tightening the cylinder head, turn the camshaft so that all
the cams in cylinder 1 are turned equally upwards. Before
mounting the cylinder head, turn the crankshaft in the engine
rotation direction until TDC
– Perform test drive and check fault memory
48
Rep. Gr.15 - Cylinder head, valve control mechanism
40 Nm
60 Nm
90°
90°
⇒ page 41 .
⇒ page 115 .